litmus papers

A form of litmus paper — paper containing a water-soluble pH indicator composed of a mixture of different dyes extracted from certain lichens. The resulting piece of paper is used to test materials for acidity, turning red when acidic and blue when alkaline.

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Meanings

noun
  1. pluralplural of litmus paper
Cite this entry
APA

litmus papers. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/litmus%20papers

MLA

“litmus papers.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/litmus%20papers. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “litmus papers,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/litmus%20papers.

Source: litmus papers on Wiktionary, CC BY-SA 4.0.